'blowout' definitions:

Definition of 'blowout'

From: WordNet
noun
An easy victory [syn: runaway, blowout, romp, laugher, shoo-in, walkaway]
noun
A sudden malfunction of a part or apparatus; "the right front tire had a blowout"; "as a result of the blowout we lost all the lights"
noun
A gay festivity [syn: gala, gala affair, jamboree, blowout]

Definition of 'blowout'

From: GCIDE
  • blowout \blowout\ n.
  • 1. a gay or lavish festivity. [colloq.]
  • Syn: gala, gala affair, jamboree. [WordNet 1.5]
  • 2. the sudden deflation of an inflatable tire due to a puncture or rupture, often accompanied by a bang. [PJC]
  • 3. the sudden escape of gas or liquid confined under pressure, such as in a gas or oil well, or in a system containing pressurized air or steam. [PJC]